HF

Helmut H. Frohlic

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Heusenstamm, DE: #63 of 116 inventorsTop 55%
Overall (All Time): #3,906,546 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4939029 Compressible temporary support for transfer layer William E. Delaney 1990-07-03